National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-04-12 05:24 UTC
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323
CDUS41 KLWX 120524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT SUN APR 12 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 11 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 3:49 PM 87 1977 65 -2 60
MINIMUM 34 12:40 AM 25 1960 41 -7 45
1970
1971
AVERAGE 49 53 -4 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2009 0.12 -0.12 0.00
MONTH TO DATE 0.48 1.33 -0.85 0.38
SINCE MAR 1 2.47 4.71 -2.24 4.93
SINCE JAN 1 9.04 10.13 -1.09 12.39
SNOWFALL (IN)
YESTERDAY 0.0 T 1973 0.0 0.0 0.0
1986
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE MAR 1 T 3.0 -3.0 1.6
SINCE JUL 1 2.9 21.9 -19.0 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 12 4 12
MONTH TO DATE 119 154 -35 134
SINCE MAR 1 567 801 -234 818
SINCE JUL 1 3711 4391 -680 4323
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 8
SINCE MAR 1 3 3 0 8
SINCE JAN 1 3 3 0 8
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 10:00 PM
LOWEST 32 7:00 PM
AVERAGE 50
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1977
MINIMUM TEMPERATURE (F) 41 23 1982
SUNRISE AND SUNSET
APRIL 12 2020.........SUNRISE 6:37 AM EDT SUNSET 7:45 PM EDT
APRIL 13 2020.........SUNRISE 6:35 AM EDT SUNSET 7:46 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$